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AquaCensus

Public water system · IL0810400

Active

Waltonville

At a glance

Waltonville (PWSID IL0810400) is an active community water system in Jefferson County, Illinois. It reports serving 1,901 people through 797 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 5 violations for this system; none is health-based, and the most recent began in October 2023.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

1,901

Service connections

797

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDIL0810400
System typeCommunity water system
Activity statusActive
Population served1,901
Service connections797
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyIL state drinking water program
City servedWaltonville
StateIllinois
ZIP—
CountyJefferson County

How does Waltonville compare with other water systems in Jefferson County?

By EPA's size categories, Waltonville is a small system (501 to 3,300 people). Jefferson County has 14 active public water systems, and Waltonville is the 6th-largest of them by population served. Its population served is about 25% below the county average of 2,544 people per system, and accounts for 5.3% of the 35,609 people reported by systems filed under the county. Across Illinois, the 3,872 active systems average 3,204 people each. Nationally, the average active community water system reports serving 6,703 people, so Waltonville is well below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Illinois has 1,773 active community water systems, 46% of the state's 3,872 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 619 Illinois systems (16%) list purchased surface water as their primary source.

Who owns and regulates Waltonville?

EPA lists Waltonville as owned by a local government. The IL state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 8 of the 14 active systems in Jefferson County (57%) are also owned by a local government.

Does Waltonville have drinking water violations?

EPA's records list 5 violations for this system; none is health-based, and the most recent began in October 2023. The violations listed here began between November 2003 and October 2023. By type: 4 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Chloramine (2 of them). EPA lists 4 as resolved and 1 as archived. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
2023-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chloraminecode 1006NoResolved
2023-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2023-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2010-04-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chloraminecode 1006NoResolved
2003-11-01Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26Total coliform bacteria (TCR)code 3100NoArchived

All 5 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Waltonville: frequently asked questions

Who runs Waltonville?

Waltonville (PWSID IL0810400) is a community water system owned by a local government. It is regulated by the IL state drinking water program.

How many people does Waltonville serve?

Waltonville reports serving 1,901 people through 797 service connections in Jefferson County, Illinois.

Where does Waltonville get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does Waltonville have any drinking water violations?

EPA's records list 5 violations for this system; none is health-based, and the most recent began in October 2023. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Waltonville's water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 5 violations for this system; none is health-based, and the most recent began in October 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.

Where can I find Waltonville's water quality report?

As a community water system, Waltonville must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Jefferson County

Water systemCountyPopulation servedTypeSource
Mount VernonJefferson15,793CommunityPurchased surface water
Northeast Mount Vernon Water CompanyJefferson5,483CommunityPurchased surface water
WoodlawnJefferson3,587CommunityPurchased surface water
Dix-Kell Water CommssionJefferson1,972CommunityPurchased surface water
Belle RiveJefferson1,930CommunityPurchased surface water
BlufordJefferson1,880CommunityPurchased surface water

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Waltonville, PWSID IL0810400, Illinois”, https://aquacensus.com/water-systems/illinois/waltonville-il0810400 (data as of October 1, 2026).